curl --request GET \
  --url https://client-api.dev.finhost.io/v2/contracts \
  --header 'Authorization: Bearer <token>'

{
  "contracts": [
    {
      "id": "<string>",
      "title": "<string>",
      "description": "<string>",
      "available": true,
      "currencies": [
        {
          "currency": "<string>",
          "accountsCountLimit": 123,
          "products": [
            {
              "id": "<string>",
              "transferPlans": [
                {
                  "from": 123,
                  "flat": 123,
                  "percentage": 123
                }
              ]
            }
          ]
        }
      ],
      "variants": [
        {
          "id": "<string>",
          "currency": "<string>",
          "description": "<string>",
          "title": "<string>",
          "accountsCountLimit": 123,
          "products": [
            {
              "id": "<string>",
              "transferPlans": [
                {
                  "from": 123,
                  "flat": 123,
                  "percentage": 123
                }
              ]
            }
          ]
        }
      ],
      "onboardingFee": {
        "currency": "<string>",
        "amount": 123
      }
    }
  ]
}